LevelOne WHG-311, User Manual, Page: 76 / 307

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administrator to make changes in session characteristics
without requiring to access Controller WMI to initiate change.
For example, a network administrator may need to terminate a
session or change the authorization attributes associated with a
session. This is possible through RADIUS DM & CoA
messages.
Administrator can specify the white list of devices that the
Controller deem as authentic message source.
Devices configured here with correct shared key are allowed to
issue to Controller change of authorization (CoA) messages,
which affect session authorization, or disconnect messages
(DM), which cause a session to be terminated immediately.